Controller for electric bicycle



FIG. 1 is a perspective view of a controller for electric bicycle showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right-side elevational view thereof;

FIG. 7 is a left-side elevational view thereof;

FIG. 8 is a cross-sectional view thereof taken along line 7—7 of FIG. 2; and,

FIG. 9 is a front elevational view thereof, showing a display in broken lines, wherein the broken line display forms no part of the claimed design. 

The ornamental design for a controller for electric bicycle, as shown and described. 